package TestCertPal;

class Grade {
	static int x = 10;

	Grade(int x) {
		x++;
	}

	public Grade() {
		this(x);
		x++;
	}
}

public class Cert extends Grade {
	Cert(int x) {
		super(x);
		x++;
		System.out.println(x);
	}

	public static void main(String[] args) {
		new Cert(10);
	}
}